Flow reversal through a Mark III halothane vaporizer.
case_report · Level V
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- Record sourced from PubMed, PMID 8123414.
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Abstract
A fault in the assembly of a Matrix Large Animal Circle anaesthetic machine resulted in reversal of fresh gas flow through the vaporizer. The fault was discovered only after the sudden development of excessive depth of anaesthesia in two equine patients. Laboratory investigations were conducted to determine the effect of flow reversal on vaporizer output. Results indicated that output concentration was approximately doubled under these conditions.
Medical subject headings
- Anesthesia, Closed-Circuit
- Anesthesia, Inhalation
- Halothane
- Horses
- Nebulizers and Vaporizers
- Orthopedics